public FileSystem::chmod($uri, $mode = NULL) Sets

public FileSystemInterface::dirname($uri)

public FileSystem::mkdir($uri, $mode = NULL, $recursive = FALSE, $context = NULL)

Defines getter and setter methods for file entity base fields. Hierarchy interface

public static File::baseFieldDefinitions(EntityTypeInterface $entity_type)

public ExtensionMimeTypeGuesser::guess($path)

file_validate_name_length(FileInterface $file) Checks for files with names longer than can be stored in the

The MIME types mapping array after going through the module handler. Type:

hook_file_mimetype_mapping_alter(&$mapping) Alter MIME type mappings used to determine MIME type from a

public File::setOwnerId($uid) Sets the